body{
    .video_box{
        width: 100%;
        height: 40%;
        background: black;
        position: relative;
        .video{
            width: 100%;
            height: 100%;
        }
        .mask{
          position: absolute;
          height: 100%;
          width: 100%;
          background: rgba(0,0,0,0);
          top: 0;
          .startplay{
              height: 50px;
              width: 50px;
              font-size: 50px;
              color: white;
          }
          .to_pre{
              position: absolute;
              height: 50px;
              width: 50px;
              left: 2%;
              top: 0px;
              font-size: 30px;
              color: white;
          }
        }
    }
    .wrap{
        height: 60%;
        width: 380px;
        padding-top: 5%;
        .box_1{
            width: 100%;
            height: 80px;
            border-bottom: 1px solid #aaaa;
            p{
                margin-top: 10px;
                height: 25px;
                .time_m{
                    margin-left: 20px;
                }
                .people{
                    float: right;
                    font-size: 15px;
                    line-height: 25px;
                }
            }

        }
        .box_2{
            height: 100px;
            margin-top: 20px;
            .box_2_l{
                height: 100px;
                width: 100px;
                border-radius: 50%;
            }
            .box_2_r{
                padding-left: 20px;
            }
        }
        .effect{
            margin-top: 15px;
        }
        .box_3{
            width: 100%;
            height: 80px;
            margin-top: 20px;
            .box_3_l{
                width: 50%;
                height: 100%;
                border-right: 1px dashed #aaa;
                .guizi{
                    font-size: 25px;
                    display: inline-block;
                }
            }
            .box_3_r{
                width: 50%;
                height: 100%;
                padding-left: 20px;
                .yaling{
                    font-size: 30px;
                    display: inline-block;
                }
            }
        }


        .start{
            width: 80%;
            height: 50px;
            background: deepskyblue;
            margin: auto;
            line-height: 50px;
            text-align: center;
            border-radius: 25px;
            color: white;
            position: fixed;
            bottom: 5%;
            left: 50%;
            transform: translate(-50%)
        }
    }
}